Home / 45,688,890.76-68,554,264.20-19,789,113.64

Finding the Fourth Proportional to 45,688,890.76, 68,554,264.20 and 19,789,113.64

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Solution

The fourth proportional to 45,688,890.76, 68,554,264.20 and 19,789,113.64 is: 29,692,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688,890.76 : 68,554,264.20 = 19,789,113.64 : x
  2. Step 2: Convert to fraction form
    45,688,890.76/68,554,264.20 = 19,789,113.64/x
  3. Step 3: Cross multiply
    45,688,890.76x = 68,554,264.20 × 19,789,113.64
  4. Step 4: Simplify right side
    45,688,890.76x = 1,356,628,124,760,383.75
  5. Step 5: Solve for x
    x = 1,356,628,124,760,383.75/45,688,890.76
  6. Step 6: Final answer
    x = 29,692,734.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.